2019181780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 5469327360

約数和(自身を除く): 3450145580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 59, 70, 71, 77, 110, 118, 140, 142, 154, 220, 236, 284, 295, 308, 313, 355, 385, 413, 497, 590, 626, 649, 710, 770, 781, 826, 994, 1180, 1252, 1298, 1420, 1540, 1562, 1565, 1652, 1988, 2065, 2191, 2485, 2596, 3124, 3130, 3245, 3443, 3905, 4130, 4189, 4382, 4543, 4970, 5467, 6260, 6490, 6886, 7810, 8260, 8378, 8764, 9086, 9940, 10934, 10955, 12980, 13772, 15620, 16756, 17215, 18172, 18467, 20945, 21868, 21910, 22223, 22715, 24101, 27335, 29323, 34430, 36934, 41890, 43820, 44446, 45430, 46079, 48202, 54670, 58646, 68860, 73868, 83780, 88892, 90860, 92158, 92335, 96404, 109340, 111115, 117292, 120505, 129269, 146615, 155561, 184316, 184670, 203137, 222230, 230395, 241010, 244453, 258538, 293230, 311122, 322553, 369340, 406274, 444460, 460790, 482020, 488906, 517076, 586460, 622244, 645106, 646345, 777805, 812548, 921580, 977812, 1015685, 1222265, 1290212, 1292690, 1311157, 1421959, 1555610, 1612765, 1711171, 2031370, 2444530, 2585380, 2622314, 2843918, 3111220, 3225530, 3422342, 4062740, 4889060, 5244628, 5687836, 6451060, 6555785, 6844684, 7109795, 8555855, 9178099, 13111570, 14219590, 14422727, 17111710, 18356198, 26223140, 28439180, 28845454, 34223420, 36712396, 45890495, 57690908, 72113635, 91780990, 100959089, 144227270, 183561980, 201918178, 288454540, 403836356, 504795445, 1009590890, 2019181780]

約数ペア:

[(1, 2019181780), (2, 1009590890), (4, 504795445), (5, 403836356), (7, 288454540), (10, 201918178), (11, 183561980), (14, 144227270), (20, 100959089), (22, 91780990), (28, 72113635), (35, 57690908), (44, 45890495), (55, 36712396), (59, 34223420), (70, 28845454), (71, 28439180), (77, 26223140), (110, 18356198), (118, 17111710), (140, 14422727), (142, 14219590), (154, 13111570), (220, 9178099), (236, 8555855), (284, 7109795), (295, 6844684), (308, 6555785), (313, 6451060), (355, 5687836), (385, 5244628), (413, 4889060), (497, 4062740), (590, 3422342), (626, 3225530), (649, 3111220), (710, 2843918), (770, 2622314), (781, 2585380), (826, 2444530), (994, 2031370), (1180, 1711171), (1252, 1612765), (1298, 1555610), (1420, 1421959), (1540, 1311157), (1562, 1292690), (1565, 1290212), (1652, 1222265), (1988, 1015685), (2065, 977812), (2191, 921580), (2485, 812548), (2596, 777805), (3124, 646345), (3130, 645106), (3245, 622244), (3443, 586460), (3905, 517076), (4130, 488906), (4189, 482020), (4382, 460790), (4543, 444460), (4970, 406274), (5467, 369340), (6260, 322553), (6490, 311122), (6886, 293230), (7810, 258538), (8260, 244453), (8378, 241010), (8764, 230395), (9086, 222230), (9940, 203137), (10934, 184670), (10955, 184316), (12980, 155561), (13772, 146615), (15620, 129269), (16756, 120505), (17215, 117292), (18172, 111115), (18467, 109340), (20945, 96404), (21868, 92335), (21910, 92158), (22223, 90860), (22715, 88892), (24101, 83780), (27335, 73868), (29323, 68860), (34430, 58646), (36934, 54670), (41890, 48202), (43820, 46079), (44446, 45430)]